The expression -310 + 15m represents a submarine that began at a depth of 310 feet below sea level and ascended at a rate of 15
feet per minute. What was the depth of the submarine after 8 minutes?
1 answer:
Answer:
190 feet below sea level
Step-by-step explanation:
d = -310 + 15m
d = -310 + 15(8)
d = -310 + 120
d = -190
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